package lab02.test11;

public class Rectangle implements Printx {
    double a,b;
    Rectangle (double a,double b){
        this.a=a;
        this.b=b;

    }
public double getArea(){return  a*b; }
public  double getLength(){return (a*b)*2.0;}

     @Override
     public void printMyWay() {
         System.out.println("该矩形的长a="+a+"宽b="+b);
         System.out.println("面积s="+getArea());
         System.out.println("周长l="+getLength());

     }
 }
